Phonogbaph-becobi



v G. LEAKE.

'PHONOGRAPH RECORD. APPLICATION man IULY 31.1913.

1 303,074. V Patented May 6, 1919'.

coeds, the invention resides in the combina: 3 and 2 being oppositely recorded. The

" mechanism; and Fig. 4 is a tragmental ele- 3 when t e direction of rotation of the UNITED STATES Paranorma -,3,

enonon LEAKE, or mason crrY, mm. I,

rnonoeaarmmiconn.

1,303,074. Specification of Letters Patent, I i y 1 I Application filed July 31, 1918. Serial No. 7,573. i i

To all whom it may concern: of that hereinbefore described in} detail, and

Be it known that 1, Greece LEAKE, a citishown in Fig. 2. A projection 12is mount zen of the United States, residing at Mason edon the record 1 at the side of the groove City, in the county of Cerro Gordo and State 4, a projection 44 being mounted onthe rec- 5 of Iowa, have invented a new and useful ord at the side of the groove 9. The pro- Phonogra h-Record, of which the following jections may be variously constructed and is a speci' cation. v be variously located, but preferably, are The device forming the subject matter of formed onpl'ates 15, each plate having an this application is a record for a phonoelongated slot 16 adapted to receive a set 1 graph and the invention aims to provide a screw 17 engaging the record 1, so that the structure of the kind mentioned which may, projection may 'be adjusted longitudinally 1 be played continuously, by reversingthediof the terminal groove. Y i rection of rotation of the record. In practical operation, the needle trav- It is' within the province of the disclosure erses the sound groove 2150 the inner .end 15 to improve generally and to enhance the thereof and then movesalong the lateral utility of devices of that type to which the extension 11 of the groove 12 intoiqthe resent invention appertains. groove 9. The projection 14- reverses the \Vith the above and other objects in view, drive in the phonograph, and 'the needlewhich will appear as the description pro starts back along the roove 3, the grooves tion and arrangement of parts and in the deneedle traverses the .part' 6 of the groove 3 tails of construction hereinafter described and moves into thegroove 4. The projecand claimed, it being understood that, with tion 12 eifects a reversal in the direction in the scope of what is claimed, changes in of rotation of the record, and the needle then 25 the precise embodiment of the invention traverses the groove 2, the operation above shown can be made wi hout departing from described being repeated as long as desired,

the spirit of the invention. n Thus, it will be-seen that a selection may be In the accompanying. drawings played indefinitely.

Figure 1 is a top plan showing one form Because the extension 6 of'the groove -3 35 so of record constructed in accordance withthe opens into the groove, 4 above the bottom of invention; Fig. 2 1s a fragmental section the said groove as shown at 7 in Fig. 2,-the taken longitudinally of one of the grooves; needle, having entered the groove 4 by way Fig. 3 is a perspective showing the projecof the part 6 of lthe groove 3, will not move tion or stop which operates the reversing backwardl alongthe part 6 ofv the groove 99- vation showing a slight modification in the record is reversed, but will move up the invention. r slant surface '5 into the groove 2. iThi-s The numeral 1 marks a, disk record having operation will be carried out atthe inner a sound groove 2 and a sound groove 3. ends of thegrooves 2 and 3, the needle 40 The sound groove 2 is extended at its outer entering the groove 9'by way of the part 11 end to-form a terminal groove 4 connected of the groove 2' and then traversing the with the groove 2 by a gradualslant as groove 3 nth ,clirectionof rotation of shown at 5, the terminal groove 4 being the record is reversed. p deeper than the grooves 2 and 3.. \The outer I, The pro ect1ons,12 and 14 are adjustable 100, 45 end of the groove 3 is laterally extended as longitudinally of the respective grooves 4 shown at 6 and opens as indicated at 7 into and 9 in order that they may cooperate the terminal groove 4 above the bottom f properlywith the phonographmechanism, the terminal groove. A cushion 8, made of and, espec ally, in order that the pause rubber or like material, ismounted in the which arises when the n edleis traversing 60 terminal groove 4. the oove 4 orthe groove 9 may beo At its inner end, the sound groove 3 is'ex the esired l ngth, d p nding upon the time tended to form a terminal groove 9 in which value of the restwhich occurs inthe music is located a cushion 10, the inner end of the at the time thereversal takes place. I p groove 2 beinglaterally extended as shown The res lient cush1ons 8 and 10 prevent ii at. 11, to communicate with the terminal a ar and an 1n ury to the needle or to the x groove 9, the construction being a duplicate record when the. needle enters the terminal communicate at both ends.

communicate at one end; and a reversing- 20 the communicat grooves Fig. beingvnoted particularly at;

this point. It; is not 'necessarythat the in vention be embodied in a disk record I n Fig. 4, a portion of a cylinderv record 18 is shown, wherein the invention is embodied, parts hereinbefore nated by numerals previously used, with the sufiix a V 7 Having thus described the invention, what is claimed isza f p 1. A phonograph record provided with oppositely recorded sound grooves which communicate at one end.

1 2. A phonograph record provided with oppositely recorded sound grooves which 3. A phonograph record provided -With oppositely recorded sound grooves which projection on the record at ing end of the grooves.

l 4-. A phonograph record provided with oppositely recorded sound grooves which communicate at one end; a" reversing pro-- jection on the record end. of the grooves; ingthe projection grooves. p

5. A phonograph record at. the communicating and means for ad ustdescrihed. being desig..

longitudinally of the;

provided with grooves which projectionsjon the ,recordiat the,,communicating ends of the grooves.

i 6. A phonograph record provided With oppositely recorded sound grooves Which communicate at both ends; reversing projections on the record at the communicating ends of the grooves and means for adjusting the projections longitudinally of the grooves. v

7. Aphonograph record provided with oppositely recorded sound grooves, one sound groove being extendedito form a ter minal groove, and the other sound groove opening into'the terminal groove at a point above the bottom of the terminal groove.

phonograph record provided with oppositely recorded sound grooves, one sound groove being extended to form a terminal groove,

opening into the terminal groove at a point above the bottom of the terminal groove;

terminal and a resilient cushion in the groove.

In testimony that I claimtheforegoing as my own, I have hereto afiixed my signature in the presence of two-witnesses.

GEORGE LEAKE. -Witnesses: i

GrEo, N Pinnon,

BER'IHA PIERCE.

and theother sound groove 

